ID: 632

AQSQID: 371190041

Site Name: Garinger

Added: April 21, 2020, 6:24 p.m.

Updated: Sept. 18, 2021, 6:58 p.m.

Location: Charlotte (Plaza-Shamrock), NC

Reporting: True, Located: True

Current AQI: 32.0

Charlotte (Plaza-Shamrock) NC, US: 35.2411, -80.7831

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Sept. 18, 2021, 5 p.m. 1.6 ppb (2) 0.0 ppb (0) 1.8 ppb (2) 1.0 ppb (1) 1.7 ppb (2) 0.0 ppb (0) 34.0 ppb (32) 0.14 ppb (2) 10.0 μg/m3 (10) 4.0 μg/m3 (17) 32.0
 
Sept. 18, 2021, 4 p.m. 2.4 ppb (3) 0.1 ppb (1) 2.5 ppb (3) 2.0 ppb (2) 2.3 ppb (3) 0.0 ppb (0) 33.0 ppb (31) 0.15 ppb (2) 9.0 μg/m3 (9) 4.0 μg/m3 (17) 31.0
 
Sept. 18, 2021, 3 p.m. 2.9 ppb (3) 0.2 ppb (1) 3.1 ppb (3) 3.0 ppb (3) 2.9 ppb (3) 0.0 ppb (0) 30.0 ppb (28) 0.16 ppb (3) 9.0 μg/m3 (9) 2.0 μg/m3 (9) 28.0
 
Sept. 18, 2021, 2 p.m. 4.5 ppb (5) 0.7 ppb (1) 4.7 ppb (5) 4.0 ppb (4) 3.9 ppb (4) 0.0 ppb (0) 24.0 ppb (23) 0.18 ppb (3) 10.0 μg/m3 (10) 2.0 μg/m3 (9) 23.0
 
Sept. 18, 2021, 1 p.m. 8.5 ppb (9) 2.2 ppb (3) 7.7 ppb (8) 6.0 ppb (6) 5.4 ppb (6) 0.0 ppb (0) 15.0 ppb (14) 0.22 ppb (3) 9.0 μg/m3 (9) 1.0 μg/m3 (5) 14.0
 
Sept. 18, 2021, noon 10.4 ppb (10) 3.4 ppb (4) 9.3 ppb (9) 6.0 ppb (6) 5.8 ppb (6) 0.0 ppb (0) 7.0 ppb (7) 0.24 ppb (3) 9.0 μg/m3 (9) 2.0 μg/m3 (9) 10.0
 
Sept. 18, 2021, 11 a.m. 11.0 ppb (11) 2.2 ppb (3) 9.7 ppb (10) 8.0 ppb (8) 7.4 ppb (7) 0.0 ppb (0) 2.0 ppb (2) 0.26 ppb (4) 8.0 μg/m3 (8) 1.0 μg/m3 (5) 11.0
 
Sept. 18, 2021, 10 a.m. 8.7 ppb (9) 0.6 ppb (1) 7.9 ppb (8) 8.0 ppb (8) 7.3 ppb (7) 0.0 ppb (0) N/A 0.26 ppb (4) 8.0 μg/m3 (8) 3.0 μg/m3 (13) 13.0
 
Sept. 18, 2021, 9 a.m. 6.4 ppb (7) 0.0 ppb (0) 5.7 ppb (6) 6.0 ppb (6) 5.6 ppb (6) 0.0 ppb (0) 4.0 ppb (4) 0.21 ppb (3) 8.0 μg/m3 (8) 3.0 μg/m3 (13) 13.0
 
Sept. 18, 2021, 8 a.m. 7.1 ppb (7) 0.0 ppb (0) 6.2 ppb (6) 7.0 ppb (7) 6.2 ppb (6) 0.0 ppb (0) 6.0 ppb (6) 0.23 ppb (3) 10.0 μg/m3 (10) 3.0 μg/m3 (13) 13.0
 
Sept. 18, 2021, 7 a.m. 14.6 ppb (14) 0.6 ppb (1) 11.5 ppb (11) 12.0 ppb (12) 10.8 ppb (11) 0.0 ppb (0) 4.0 ppb (4) 0.35 ppb (4) 12.0 μg/m3 (12) 6.0 μg/m3 (25) 25.0
 
Sept. 18, 2021, 6 a.m. 22.9 ppb (22) 4.8 ppb (5) 21.4 ppb (21) 16.0 ppb (16) 16.6 ppb (16) N/A 0.0 ppb (0) 0.51 ppb (6) 12.0 μg/m3 (12) 8.0 μg/m3 (34) 34.0
 
Sept. 18, 2021, 5 a.m. 18.6 ppb (18) 1.7 ppb (2) 17.5 ppb (17) 15.0 ppb (15) 15.7 ppb (15) 1.0 ppb (2) 0.0 ppb (0) 0.51 ppb (6) 11.0 μg/m3 (11) 5.0 μg/m3 (21) 21.0
 
Sept. 18, 2021, 4 a.m. 22.2 ppb (21) 3.8 ppb (4) 20.5 ppb (20) 16.0 ppb (16) 16.6 ppb (16) 1.0 ppb (2) 0.0 ppb (0) 0.55 ppb (7) 14.0 μg/m3 (13) 3.0 μg/m3 (13) 21.0
 
Sept. 18, 2021, 3 a.m. 25.2 ppb (24) 5.9 ppb (6) 22.0 ppb (21) 18.0 ppb (17) 16.0 ppb (16) 0.0 ppb (0) 0.0 ppb (0) N/A 14.0 μg/m3 (13) 4.0 μg/m3 (17) 24.0
 
Sept. 18, 2021, 2 a.m. 21.8 ppb (21) 4.7 ppb (5) 19.4 ppb (19) 19.0 ppb (18) 14.7 ppb (14) 0.0 ppb (0) 1.0 ppb (1) 0.55 ppb (7) 14.0 μg/m3 (13) 2.0 μg/m3 (9) 21.0
 
Sept. 18, 2021, 1 a.m. 19.8 ppb (19) N/A N/A 19.0 ppb (18) N/A 0.0 ppb (0) 4.0 ppb (4) 0.49 ppb (6) 11.0 μg/m3 (11) 4.0 μg/m3 (17) 19.0
 
Sept. 18, 2021, midnight 14.1 ppb (14) 0.0 ppb (0) 14.0 ppb (14) 14.0 ppb (14) 14.1 ppb (14) 0.0 ppb (0) 11.0 ppb (11) 0.37 ppb (5) 8.0 μg/m3 (8) 6.0 μg/m3 (25) 25.0
 
Sept. 17, 2021, 11 p.m. 7.4 ppb (7) 0.0 ppb (0) 6.8 ppb (7) 7.0 ppb (7) 6.9 ppb (7) 0.0 ppb (0) 22.0 ppb (21) 0.21 ppb (3) 7.0 μg/m3 (7) 1.0 μg/m3 (5) 21.0
 
Sept. 17, 2021, 10 p.m. 5.2 ppb (5) 0.2 ppb (1) 5.2 ppb (5) 5.0 ppb (5) 5.0 ppb (5) 0.0 ppb (0) 33.0 ppb (31) 0.18 ppb (3) 10.0 μg/m3 (10) 2.0 μg/m3 (9) 31.0
 
Sept. 17, 2021, 9 p.m. 3.3 ppb (4) 0.1 ppb (1) 3.1 ppb (3) 3.0 ppb (3) 3.0 ppb (3) 0.0 ppb (0) 39.0 ppb (37) 0.17 ppb (3) 10.0 μg/m3 (10) 4.0 μg/m3 (17) 37.0
 
Sept. 17, 2021, 8 p.m. 3.9 ppb (4) 0.2 ppb (1) 3.7 ppb (4) 4.0 ppb (4) 3.4 ppb (4) 0.0 ppb (0) 37.0 ppb (35) 0.17 ppb (3) 9.0 μg/m3 (9) 4.0 μg/m3 (17) 35.0
 
Sept. 17, 2021, 7 p.m. 3.7 ppb (4) 0.4 ppb (1) 3.7 ppb (4) 3.0 ppb (3) 3.3 ppb (4) 0.0 ppb (0) 32.0 ppb (30) 0.16 ppb (3) 9.0 μg/m3 (9) 7.0 μg/m3 (30) 30.0
 
Sept. 17, 2021, 6 p.m. 3.6 ppb (4) 0.5 ppb (1) 4.0 ppb (4) 3.0 ppb (3) 3.5 ppb (4) 0.0 ppb (0) 31.0 ppb (29) 0.15 ppb (2) 11.0 μg/m3 (11) 4.0 μg/m3 (17) 29.0
 
Sept. 17, 2021, 5 p.m. 2.9 ppb (3) 0.5 ppb (1) 3.2 ppb (4) 2.0 ppb (2) 2.7 ppb (3) 0.0 ppb (0) 27.0 ppb (25) 0.14 ppb (2) 12.0 μg/m3 (12) 3.0 μg/m3 (13) 25.0
 
Sept. 17, 2021, 4 p.m. 3.5 ppb (4) 0.6 ppb (1) 3.4 ppb (4) 3.0 ppb (3) 2.7 ppb (3) 0.0 ppb (0) 21.0 ppb (20) 0.15 ppb (2) 12.0 μg/m3 (12) 4.0 μg/m3 (17) 20.0
 
Sept. 17, 2021, 3 p.m. 4.1 ppb (4) 0.7 ppb (1) 3.7 ppb (4) 3.0 ppb (3) 2.9 ppb (3) 0.0 ppb (0) 16.0 ppb (15) 0.17 ppb (3) 15.0 μg/m3 (14) 6.0 μg/m3 (25) 25.0
 
Sept. 17, 2021, 2 p.m. 6.1 ppb (6) 1.1 ppb (2) 5.4 ppb (6) 5.0 ppb (5) 4.2 ppb (4) 0.0 ppb (0) 10.0 ppb (10) 0.2 ppb (3) 14.0 μg/m3 (13) 8.0 μg/m3 (34) 34.0
 
Sept. 17, 2021, 1 p.m. 7.6 ppb (8) 1.4 ppb (2) 6.5 ppb (7) 6.0 ppb (6) 5.1 ppb (5) 0.0 ppb (0) 10.0 ppb (10) 0.21 ppb (3) 16.0 μg/m3 (15) 7.0 μg/m3 (30) 30.0
 
Sept. 17, 2021, noon 11.1 ppb (11) 1.9 ppb (2) 9.9 ppb (10) 9.0 ppb (9) 7.9 ppb (8) 0.0 ppb (0) 7.0 ppb (7) 0.25 ppb (3) 21.0 μg/m3 (20) 9.0 μg/m3 (38) 38.0
 
Sept. 17, 2021, 11 a.m. 11.6 ppb (11) 1.1 ppb (2) 10.4 ppb (10) 10.0 ppb (10) 9.3 ppb (9) 0.0 ppb (0) 6.0 ppb (6) 0.23 ppb (3) 15.0 μg/m3 (14) 6.0 μg/m3 (25) 25.0
 
Sept. 17, 2021, 10 a.m. 11.2 ppb (11) 0.3 ppb (1) 10.0 ppb (10) 10.0 ppb (10) 9.7 ppb (10) 0.0 ppb (0) N/A 0.23 ppb (3) 16.0 μg/m3 (15) 8.0 μg/m3 (34) 34.0
 
Sept. 17, 2021, 9 a.m. 9.9 ppb (10) 0.1 ppb (1) 9.1 ppb (9) 9.0 ppb (9) 9.0 ppb (9) 0.0 ppb (0) 8.0 ppb (8) 0.24 ppb (3) 12.0 μg/m3 (12) 9.0 μg/m3 (38) 38.0
 
Sept. 17, 2021, 8 a.m. 10.4 ppb (10) 0.1 ppb (1) 9.4 ppb (9) 10.0 ppb (10) 9.2 ppb (9) 0.0 ppb (0) 8.0 ppb (8) 0.25 ppb (3) 19.0 μg/m3 (18) 11.0 μg/m3 (46) 46.0
 
Sept. 17, 2021, 7 a.m. 10.4 ppb (10) 0.0 ppb (0) 9.4 ppb (9) 10.0 ppb (10) 9.3 ppb (9) 0.0 ppb (0) 10.0 ppb (10) 0.27 ppb (4) 17.0 μg/m3 (16) 13.0 μg/m3 (53) 53.0
 
Sept. 17, 2021, 6 a.m. 11.6 ppb (11) 0.0 ppb (0) 10.3 ppb (10) 11.0 ppb (11) 10.2 ppb (10) 0.0 ppb (0) 11.0 ppb (11) 0.29 ppb (4) 17.0 μg/m3 (16) 14.0 μg/m3 (55) 55.0
 
Sept. 17, 2021, 5 a.m. 16.7 ppb (16) 0.3 ppb (1) 13.9 ppb (14) 15.0 ppb (15) 13.6 ppb (13) 0.0 ppb (0) 4.0 ppb (4) 0.39 ppb (5) 22.0 μg/m3 (21) 8.0 μg/m3 (34) 34.0
 
Sept. 17, 2021, 4 a.m. 12.6 ppb (12) 0.1 ppb (1) 11.9 ppb (12) 11.0 ppb (11) 11.8 ppb (12) 0.0 ppb (0) 6.0 ppb (6) 0.36 ppb (5) 15.0 μg/m3 (14) 17.0 μg/m3 (62) 62.0
 
Sept. 17, 2021, 3 a.m. N/A 0.0 ppb (0) 11.0 ppb (11) N/A 11.1 ppb (11) 0.0 ppb (0) 11.0 ppb (11) 0.35 ppb (4) 15.0 μg/m3 (14) 11.0 μg/m3 (46) 46.0
 
Sept. 17, 2021, 2 a.m. N/A 0.0 ppb (0) 11.6 ppb (11) N/A 11.6 ppb (11) 0.0 ppb (0) 17.0 ppb (16) 0.35 ppb (4) 15.0 μg/m3 (14) 9.0 μg/m3 (38) 38.0
 
Sept. 17, 2021, 1 a.m. 12.2 ppb (12) 0.0 ppb (0) 12.1 ppb (12) 12.0 ppb (12) 12.2 ppb (12) 0.0 ppb (0) 20.0 ppb (19) 0.32 ppb (4) 15.0 μg/m3 (14) 11.0 μg/m3 (46) 46.0
 
Sept. 17, 2021, midnight 12.5 ppb (12) 0.0 ppb (0) 11.3 ppb (11) 12.0 ppb (12) 11.3 ppb (11) 0.0 ppb (0) 24.0 ppb (23) 0.31 ppb (4) 16.0 μg/m3 (15) 9.0 μg/m3 (38) 38.0
 
Sept. 16, 2021, 11 p.m. 9.4 ppb (9) 0.0 ppb (0) 9.3 ppb (9) 9.0 ppb (9) 9.4 ppb (9) 0.0 ppb (0) 28.0 ppb (26) 0.28 ppb (4) 12.0 μg/m3 (12) 9.0 μg/m3 (38) 38.0
 
Sept. 16, 2021, 10 p.m. 4.7 ppb (5) 0.0 ppb (0) 4.9 ppb (5) 5.0 ppb (5) 4.9 ppb (5) 0.0 ppb (0) 41.0 ppb (38) 0.23 ppb (3) 12.0 μg/m3 (12) 10.0 μg/m3 (42) 42.0
 
Sept. 16, 2021, 9 p.m. 5.6 ppb (6) 0.3 ppb (1) 5.5 ppb (6) 5.0 ppb (5) 5.2 ppb (5) 0.0 ppb (0) 46.0 ppb (43) 0.24 ppb (3) 17.0 μg/m3 (16) 7.0 μg/m3 (30) 43.0
 
Sept. 16, 2021, 8 p.m. 6.7 ppb (7) 0.7 ppb (1) 6.5 ppb (7) 6.0 ppb (6) 5.7 ppb (6) 0.0 ppb (0) 44.0 ppb (41) 0.23 ppb (3) 19.0 μg/m3 (18) 11.0 μg/m3 (46) 46.0
 
Sept. 16, 2021, 7 p.m. N/A 0.7 ppb (1) 6.4 ppb (7) N/A 5.7 ppb (6) 0.0 ppb (0) 41.0 ppb (38) 0.23 ppb (3) 15.0 μg/m3 (14) 10.0 μg/m3 (42) 42.0
 
Sept. 16, 2021, 6 p.m. N/A 0.7 ppb (1) 5.9 ppb (6) N/A 5.2 ppb (5) 0.0 ppb (0) 37.0 ppb (35) 0.22 ppb (3) 11.0 μg/m3 (11) 6.0 μg/m3 (25) 35.0
 
Sept. 16, 2021, 5 p.m. N/A 0.4 ppb (1) 4.6 ppb (5) N/A 4.2 ppb (4) 0.0 ppb (0) 35.0 ppb (33) 0.2 ppb (3) 14.0 μg/m3 (13) 9.0 μg/m3 (38) 38.0
 
Sept. 16, 2021, 4 p.m. N/A 0.6 ppb (1) 5.6 ppb (6) N/A 5.0 ppb (5) 0.0 ppb (0) 35.0 ppb (33) 0.21 ppb (3) 12.0 μg/m3 (12) 7.0 μg/m3 (30) 33.0
 
Sept. 16, 2021, 3 p.m. N/A 0.9 ppb (1) 6.1 ppb (6) N/A 5.1 ppb (5) 0.0 ppb (0) 34.0 ppb (32) 0.23 ppb (3) 13.0 μg/m3 (13) 11.0 μg/m3 (46) 46.0
 
Sept. 16, 2021, 2 p.m. N/A 3.3 ppb (4) 12.5 ppb (12) N/A 9.2 ppb (9) 0.0 ppb (0) 21.0 ppb (20) 0.26 ppb (4) 18.0 μg/m3 (17) 12.0 μg/m3 (50) 50.0
 
Sept. 16, 2021, 1 p.m. N/A 2.8 ppb (3) 12.6 ppb (12) N/A 9.8 ppb (10) 0.0 ppb (0) 14.0 ppb (13) 0.27 ppb (4) 14.0 μg/m3 (13) 8.0 μg/m3 (34) 34.0
 
Sept. 16, 2021, noon N/A 1.0 ppb (1) 9.9 ppb (10) N/A 8.9 ppb (9) 0.0 ppb (0) 13.0 ppb (13) 0.26 ppb (4) 17.0 μg/m3 (16) 12.0 μg/m3 (50) 50.0
 
Sept. 16, 2021, 11 a.m. N/A 0.9 ppb (1) 10.9 ppb (11) N/A 9.9 ppb (10) 0.0 ppb (0) 7.0 ppb (7) 0.26 ppb (4) 17.0 μg/m3 (16) 11.0 μg/m3 (46) 46.0
 
Sept. 16, 2021, 10 a.m. 10.6 ppb (10) 0.2 ppb (1) 10.4 ppb (10) 10.0 ppb (10) 10.2 ppb (10) 0.0 ppb (0) N/A 0.27 ppb (4) 12.0 μg/m3 (12) 10.0 μg/m3 (42) 42.0
 
Sept. 16, 2021, 9 a.m. N/A 0.3 ppb (1) 10.3 ppb (10) N/A 9.9 ppb (10) 0.0 ppb (0) 5.0 ppb (5) 0.22 ppb (3) 15.0 μg/m3 (14) 11.0 μg/m3 (46) 46.0
 
Sept. 16, 2021, 8 a.m. N/A 0.0 ppb (0) 6.7 ppb (7) N/A 6.6 ppb (7) 0.0 ppb (0) 6.0 ppb (6) 0.21 ppb (3) 14.0 μg/m3 (13) 8.0 μg/m3 (34) 34.0
 
Sept. 16, 2021, 7 a.m. N/A 0.0 ppb (0) 5.7 ppb (6) N/A 5.7 ppb (6) 0.0 ppb (0) 8.0 ppb (8) 0.21 ppb (3) 12.0 μg/m3 (12) 4.0 μg/m3 (17) 17.0
 
Sept. 16, 2021, 6 a.m. 4.1 ppb (4) 0.0 ppb (0) 3.9 ppb (4) 4.0 ppb (4) 3.9 ppb (4) N/A 10.0 ppb (10) 0.21 ppb (3) 6.0 μg/m3 (6) 2.0 μg/m3 (9) 10.0
 
Sept. 16, 2021, 5 a.m. 4.4 ppb (5) 0.0 ppb (0) 4.2 ppb (4) 4.0 ppb (4) 4.2 ppb (4) 0.0 ppb (0) 15.0 ppb (14) 0.17 ppb (3) 7.0 μg/m3 (7) 4.0 μg/m3 (17) 17.0
 
Sept. 16, 2021, 4 a.m. 3.2 ppb (4) 0.0 ppb (0) 2.9 ppb (3) 3.0 ppb (3) 3.0 ppb (3) 0.0 ppb (0) 17.0 ppb (16) 0.16 ppb (3) 6.0 μg/m3 (6) 4.0 μg/m3 (17) 17.0
 
Sept. 16, 2021, 3 a.m. 2.3 ppb (3) 0.0 ppb (0) 1.9 ppb (2) 2.0 ppb (2) 2.0 ppb (2) 0.0 ppb (0) 22.0 ppb (21) N/A 6.0 μg/m3 (6) 2.0 μg/m3 (9) 21.0
 
Sept. 16, 2021, 2 a.m. 1.8 ppb (2) 0.0 ppb (0) 1.2 ppb (2) 2.0 ppb (2) 1.3 ppb (2) 0.0 ppb (0) 27.0 ppb (25) 0.17 ppb (3) 5.0 μg/m3 (5) 2.0 μg/m3 (9) 25.0
 
Sept. 16, 2021, 1 a.m. 1.6 ppb (2) N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 29.0 ppb (27) 0.15 ppb (2) 17.0 μg/m3 (16) 7.0 μg/m3 (30) 30.0
 
Sept. 16, 2021, midnight 7.0 ppb (7) 0.0 ppb (0) 8.5 ppb (9) 7.0 ppb (7) 8.6 ppb (9) 0.0 ppb (0) 31.0 ppb (29) 0.28 ppb (4) 17.0 μg/m3 (16) 14.0 μg/m3 (55) 55.0
 
Sept. 15, 2021, 11 p.m. 6.3 ppb (6) 0.0 ppb (0) 6.9 ppb (7) 6.0 ppb (6) 7.0 ppb (7) 0.0 ppb (0) 37.0 ppb (35) 0.28 ppb (4) 18.0 μg/m3 (17) 14.0 μg/m3 (55) 55.0
 
Sept. 15, 2021, 10 p.m. 3.9 ppb (4) 0.0 ppb (0) 4.4 ppb (5) 4.0 ppb (4) 4.4 ppb (5) 0.0 ppb (0) 39.0 ppb (37) 0.26 ppb (4) 34.0 μg/m3 (32) 9.0 μg/m3 (38) 38.0
 
Sept. 15, 2021, 9 p.m. 2.0 ppb (2) 0.0 ppb (0) 2.4 ppb (3) 2.0 ppb (2) 2.4 ppb (3) 0.0 ppb (0) 46.0 ppb (43) 0.21 ppb (3) 20.0 μg/m3 (19) 8.0 μg/m3 (34) 43.0
 
Sept. 15, 2021, 8 p.m. 1.9 ppb (2) 0.0 ppb (0) 2.2 ppb (3) 2.0 ppb (2) 2.2 ppb (3) 0.0 ppb (0) 48.0 ppb (45) 0.2 ppb (3) 15.0 μg/m3 (14) 9.0 μg/m3 (38) 45.0
 
Sept. 15, 2021, 7 p.m. 1.6 ppb (2) 0.0 ppb (0) 2.0 ppb (2) 1.0 ppb (1) 1.9 ppb (2) 0.0 ppb (0) 47.0 ppb (44) 0.19 ppb (3) 20.0 μg/m3 (19) 9.0 μg/m3 (38) 44.0
 
Sept. 15, 2021, 6 p.m. 1.7 ppb (2) 0.0 ppb (0) 2.0 ppb (2) 1.0 ppb (1) 2.0 ppb (2) 0.0 ppb (0) 49.0 ppb (46) 0.19 ppb (3) 19.0 μg/m3 (18) 10.0 μg/m3 (42) 46.0
 
Sept. 15, 2021, 5 p.m. 1.7 ppb (2) 0.0 ppb (0) 2.2 ppb (3) 1.0 ppb (1) 2.1 ppb (2) 0.0 ppb (0) 48.0 ppb (45) 0.2 ppb (3) 20.0 μg/m3 (19) 8.0 μg/m3 (34) 45.0
 
Sept. 15, 2021, 4 p.m. 1.8 ppb (2) 0.0 ppb (0) 2.4 ppb (3) 1.0 ppb (1) 2.3 ppb (3) 0.0 ppb (0) 45.0 ppb (42) 0.2 ppb (3) 18.0 μg/m3 (17) 9.0 μg/m3 (38) 42.0
 
Sept. 15, 2021, 3 p.m. 3.0 ppb (3) 0.2 ppb (1) 3.6 ppb (4) 2.0 ppb (2) 3.4 ppb (4) 0.0 ppb (0) 43.0 ppb (40) 0.22 ppb (3) 23.0 μg/m3 (22) 7.0 μg/m3 (30) 40.0
 
Sept. 15, 2021, 2 p.m. N/A 0.5 ppb (1) 5.1 ppb (5) N/A 4.5 ppb (5) 0.0 ppb (0) 37.0 ppb (35) 0.24 ppb (3) 21.0 μg/m3 (20) 6.0 μg/m3 (25) 35.0
 
Sept. 15, 2021, 1 p.m. N/A 1.4 ppb (2) 8.0 ppb (8) N/A 6.5 ppb (7) 0.0 ppb (0) 23.0 ppb (22) 0.33 ppb (4) 26.0 μg/m3 (25) 6.0 μg/m3 (25) 25.0
 
Sept. 15, 2021, noon N/A 4.5 ppb (5) 15.6 ppb (15) N/A 11.1 ppb (11) 0.0 ppb (0) 7.0 ppb (7) 0.39 ppb (5) 19.0 μg/m3 (18) 8.0 μg/m3 (34) 34.0
 
Sept. 15, 2021, 11 a.m. 11.4 ppb (11) 6.0 ppb (6) 15.8 ppb (15) 8.0 ppb (8) 9.8 ppb (10) 0.0 ppb (0) 1.0 ppb (1) 0.31 ppb (4) 16.0 μg/m3 (15) 8.0 μg/m3 (34) 34.0
 
Sept. 15, 2021, 10 a.m. 8.5 ppb (9) 0.3 ppb (1) 8.4 ppb (8) 8.0 ppb (8) 8.0 ppb (8) 0.0 ppb (0) N/A 0.29 ppb (4) 15.0 μg/m3 (14) 9.0 μg/m3 (38) 38.0
 
Sept. 15, 2021, 9 a.m. 5.0 ppb (5) 0.0 ppb (0) 5.3 ppb (5) 5.0 ppb (5) 5.3 ppb (5) 0.0 ppb (0) 8.0 ppb (8) 0.26 ppb (4) 13.0 μg/m3 (13) 9.0 μg/m3 (38) 38.0
 
Sept. 15, 2021, 8 a.m. 5.5 ppb (6) 0.0 ppb (0) 5.3 ppb (5) 5.0 ppb (5) 5.4 ppb (6) 0.0 ppb (0) 8.0 ppb (8) 0.23 ppb (3) 16.0 μg/m3 (15) 7.0 μg/m3 (30) 30.0
 
Sept. 15, 2021, 7 a.m. 5.6 ppb (6) 0.0 ppb (0) 5.3 ppb (5) 5.0 ppb (5) 5.4 ppb (6) 0.0 ppb (0) 11.0 ppb (11) 0.3 ppb (4) 15.0 μg/m3 (14) 7.0 μg/m3 (30) 30.0
 
Sept. 15, 2021, 6 a.m. 5.0 ppb (5) 0.0 ppb (0) 5.2 ppb (5) 5.0 ppb (5) 5.3 ppb (5) 0.0 ppb (0) 16.0 ppb (15) 0.36 ppb (5) 9.0 μg/m3 (9) 7.0 μg/m3 (30) 30.0
 
Sept. 15, 2021, 5 a.m. 4.9 ppb (5) 0.0 ppb (0) 4.8 ppb (5) 4.0 ppb (4) 4.9 ppb (5) 0.0 ppb (0) 21.0 ppb (20) 0.24 ppb (3) 10.0 μg/m3 (10) 10.0 μg/m3 (42) 42.0
 
Sept. 15, 2021, 4 a.m. 5.8 ppb (6) 0.0 ppb (0) 5.5 ppb (6) 5.0 ppb (5) 5.5 ppb (6) 0.0 ppb (0) 23.0 ppb (22) 0.3 ppb (4) 12.0 μg/m3 (12) 6.0 μg/m3 (25) 25.0
 
Sept. 15, 2021, 3 a.m. N/A 0.0 ppb (0) 5.9 ppb (6) N/A 6.0 ppb (6) 0.0 ppb (0) 22.0 ppb (21) 0.29 ppb (4) 10.0 μg/m3 (10) 6.0 μg/m3 (25) 25.0
 
Sept. 15, 2021, 2 a.m. N/A 0.0 ppb (0) 7.0 ppb (7) N/A 7.0 ppb (7) 0.0 ppb (0) 25.0 ppb (24) 0.28 ppb (4) 10.0 μg/m3 (10) 7.0 μg/m3 (30) 30.0
 
Sept. 15, 2021, 1 a.m. 8.4 ppb (8) 0.0 ppb (0) 8.6 ppb (9) 8.0 ppb (8) 8.7 ppb (9) 0.0 ppb (0) 25.0 ppb (24) 0.32 ppb (4) 10.0 μg/m3 (10) 7.0 μg/m3 (30) 30.0
 
Sept. 15, 2021, midnight 7.2 ppb (7) 0.0 ppb (0) 8.4 ppb (8) 7.0 ppb (7) 8.4 ppb (8) 0.0 ppb (0) 30.0 ppb (28) 0.3 ppb (4) 18.0 μg/m3 (17) 8.0 μg/m3 (34) 34.0
 
Sept. 14, 2021, 11 p.m. 4.1 ppb (4) 0.0 ppb (0) 4.4 ppb (5) 4.0 ppb (4) 4.5 ppb (5) 0.0 ppb (0) 36.0 ppb (34) 0.23 ppb (3) 58.0 μg/m3 (53) 11.0 μg/m3 (46) 53.0
 
Sept. 14, 2021, 10 p.m. 2.2 ppb (3) 0.2 ppb (1) 2.6 ppb (3) 2.0 ppb (2) 2.4 ppb (3) 0.0 ppb (0) 42.0 ppb (39) 0.2 ppb (3) 16.0 μg/m3 (15) 10.0 μg/m3 (42) 42.0
 
Sept. 14, 2021, 9 p.m. 1.6 ppb (2) 0.0 ppb (0) 1.8 ppb (2) 1.0 ppb (1) 1.8 ppb (2) 0.0 ppb (0) 47.0 ppb (44) 0.19 ppb (3) 18.0 μg/m3 (17) 9.0 μg/m3 (38) 44.0
 
Sept. 14, 2021, 8 p.m. 1.8 ppb (2) 0.1 ppb (1) 2.1 ppb (2) 2.0 ppb (2) 2.0 ppb (2) 0.0 ppb (0) 49.0 ppb (46) 0.2 ppb (3) 19.0 μg/m3 (18) 7.0 μg/m3 (30) 46.0
 
Sept. 14, 2021, 7 p.m. 1.9 ppb (2) 0.0 ppb (0) 2.3 ppb (3) 2.0 ppb (2) 2.3 ppb (3) 0.0 ppb (0) 51.0 ppb (48) 0.21 ppb (3) 20.0 μg/m3 (19) 7.0 μg/m3 (30) 48.0
 
Sept. 14, 2021, 6 p.m. 2.2 ppb (3) 0.0 ppb (0) 2.7 ppb (3) 2.0 ppb (2) 2.7 ppb (3) 0.0 ppb (0) 51.0 ppb (48) 0.22 ppb (3) 21.0 μg/m3 (20) 9.0 μg/m3 (38) 48.0
 
Sept. 14, 2021, 5 p.m. 2.4 ppb (3) 0.0 ppb (0) 3.1 ppb (3) 2.0 ppb (2) 3.1 ppb (3) 0.0 ppb (0) 55.0 ppb (51) 0.24 ppb (3) 19.0 μg/m3 (18) 10.0 μg/m3 (42) 51.0
 
Sept. 14, 2021, 4 p.m. 3.3 ppb (4) 0.1 ppb (1) 4.1 ppb (4) 3.0 ppb (3) 4.0 ppb (4) 0.0 ppb (0) 54.0 ppb (50) 0.25 ppb (3) 28.0 μg/m3 (26) 8.0 μg/m3 (34) 50.0
 
Sept. 14, 2021, 3 p.m. 7.1 ppb (7) 0.7 ppb (1) 8.0 ppb (8) 6.0 ppb (6) 7.2 ppb (7) 0.0 ppb (0) 50.0 ppb (47) 0.29 ppb (4) 24.0 μg/m3 (23) 9.0 μg/m3 (38) 47.0
 
Sept. 14, 2021, 2 p.m. 12.5 ppb (12) 2.1 ppb (2) 13.3 ppb (13) 10.0 ppb (10) 11.1 ppb (11) 1.0 ppb (2) 37.0 ppb (35) 0.31 ppb (4) 24.0 μg/m3 (23) 13.0 μg/m3 (53) 53.0
 
Sept. 14, 2021, 1 p.m. 17.4 ppb (17) 4.1 ppb (4) 17.6 ppb (17) 13.0 ppb (13) 13.5 ppb (13) 1.0 ppb (2) 21.0 ppb (20) 0.42 ppb (5) 47.0 μg/m3 (44) 13.0 μg/m3 (53) 53.0
 
Sept. 14, 2021, noon 21.0 ppb (20) 5.6 ppb (6) 20.4 ppb (20) 14.0 ppb (14) 14.8 ppb (14) 0.0 ppb (0) 8.0 ppb (8) 0.49 ppb (6) 21.0 μg/m3 (20) 10.0 μg/m3 (42) 42.0
 
Sept. 14, 2021, 11 a.m. 12.8 ppb (13) 2.1 ppb (2) 15.1 ppb (15) 10.0 ppb (10) 12.9 ppb (13) 0.0 ppb (0) 3.0 ppb (3) 0.46 ppb (6) 20.0 μg/m3 (19) 11.0 μg/m3 (46) 46.0
 
Sept. 14, 2021, 10 a.m. 7.9 ppb (8) 0.1 ppb (1) 8.6 ppb (9) 7.0 ppb (7) 8.5 ppb (9) 0.0 ppb (0) N/A 0.48 ppb (6) 12.0 μg/m3 (12) 10.0 μg/m3 (42) 42.0
 
Sept. 14, 2021, 9 a.m. 6.8 ppb (7) 0.0 ppb (0) 7.3 ppb (7) 6.0 ppb (6) 7.3 ppb (7) 0.0 ppb (0) 7.0 ppb (7) 0.69 ppb (8) 18.0 μg/m3 (17) 11.0 μg/m3 (46) 46.0
 
Sept. 14, 2021, 8 a.m. 6.8 ppb (7) 0.0 ppb (0) 6.9 ppb (7) 6.0 ppb (6) 6.9 ppb (7) 0.0 ppb (0) 11.0 ppb (11) 0.58 ppb (7) 16.0 μg/m3 (15) 11.0 μg/m3 (46) 46.0
 
Sept. 14, 2021, 7 a.m. 7.2 ppb (7) 0.0 ppb (0) 7.3 ppb (7) 7.0 ppb (7) 7.4 ppb (7) 0.0 ppb (0) 13.0 ppb (13) 0.46 ppb (6) 22.0 μg/m3 (21) 15.0 μg/m3 (58) 58.0
 
Sept. 14, 2021, 6 a.m. 7.0 ppb (7) 0.0 ppb (0) 7.1 ppb (7) 7.0 ppb (7) 7.2 ppb (7) N/A 13.0 ppb (13) 0.4 ppb (5) 16.0 μg/m3 (15) 12.0 μg/m3 (50) 50.0
 
Sept. 14, 2021, 5 a.m. 7.4 ppb (7) 0.0 ppb (0) 7.9 ppb (8) 7.0 ppb (7) 8.0 ppb (8) 0.0 ppb (0) 15.0 ppb (14) 0.58 ppb (7) 16.0 μg/m3 (15) 10.0 μg/m3 (42) 42.0
 
Sept. 14, 2021, 4 a.m. 6.6 ppb (7) 0.0 ppb (0) 6.8 ppb (7) 6.0 ppb (6) 6.8 ppb (7) 0.0 ppb (0) 21.0 ppb (20) 0.49 ppb (6) 17.0 μg/m3 (16) 12.0 μg/m3 (50) 50.0
 
Sept. 14, 2021, 3 a.m. 7.5 ppb (8) 0.0 ppb (0) 7.5 ppb (8) 7.0 ppb (7) 7.6 ppb (8) 0.0 ppb (0) 24.0 ppb (23) N/A 12.0 μg/m3 (12) 11.0 μg/m3 (46) 46.0
 
Sept. 14, 2021, 2 a.m. 10.3 ppb (10) 0.0 ppb (0) 9.3 ppb (9) 10.0 ppb (10) 9.3 ppb (9) 0.0 ppb (0) 24.0 ppb (23) 0.5 ppb (6) 19.0 μg/m3 (18) 12.0 μg/m3 (50) 50.0
 
Sept. 14, 2021, 1 a.m. 10.3 ppb (10) N/A N/A 10.0 ppb (10) N/A 0.0 ppb (0) 27.0 ppb (25) 0.45 ppb (6) 21.0 μg/m3 (20) 11.0 μg/m3 (46) 46.0
 
Sept. 14, 2021, midnight 7.7 ppb (8) 0.0 ppb (0) 8.3 ppb (8) 7.0 ppb (7) 8.4 ppb (8) 0.0 ppb (0) 35.0 ppb (33) 0.35 ppb (4) 16.0 μg/m3 (15) 11.0 μg/m3 (46) 46.0
 
Sept. 13, 2021, 11 p.m. 6.1 ppb (6) 0.0 ppb (0) 7.8 ppb (8) 6.0 ppb (6) 7.8 ppb (8) 0.0 ppb (0) 42.0 ppb (39) 0.31 ppb (4) 23.0 μg/m3 (22) 12.0 μg/m3 (50) 50.0
 
Sept. 13, 2021, 10 p.m. 3.4 ppb (4) 0.0 ppb (0) 4.1 ppb (4) 3.0 ppb (3) 4.1 ppb (4) 0.0 ppb (0) 51.0 ppb (48) 0.27 ppb (4) 31.0 μg/m3 (29) 7.0 μg/m3 (30) 48.0
 
Sept. 13, 2021, 9 p.m. 2.8 ppb (3) 0.0 ppb (0) 3.5 ppb (4) 3.0 ppb (3) 3.5 ppb (4) 0.0 ppb (0) 60.0 ppb (68) 0.25 ppb (3) 19.0 μg/m3 (18) 9.0 μg/m3 (38) 68.0
 
Sept. 13, 2021, 8 p.m. 2.5 ppb (3) 0.0 ppb (0) 3.0 ppb (3) 2.0 ppb (2) 3.0 ppb (3) 0.0 ppb (0) 59.0 ppb (65) 0.24 ppb (3) 27.0 μg/m3 (25) 11.0 μg/m3 (46) 65.0
 
Sept. 13, 2021, 7 p.m. 2.7 ppb (3) 0.0 ppb (0) 3.3 ppb (4) 2.0 ppb (2) 3.3 ppb (4) 0.0 ppb (0) 61.0 ppb (71) N/A 22.0 μg/m3 (21) 7.0 μg/m3 (30) 71.0
 
Sept. 13, 2021, 6 p.m. 3.8 ppb (4) 0.0 ppb (0) 4.4 ppb (5) 3.0 ppb (3) 4.3 ppb (5) 0.0 ppb (0) 66.0 ppb (87) 0.26 ppb (4) 28.0 μg/m3 (26) 6.0 μg/m3 (25) 87.0
 
Sept. 13, 2021, 5 p.m. 6.4 ppb (7) 0.3 ppb (1) 7.3 ppb (7) 6.0 ppb (6) 6.9 ppb (7) 0.0 ppb (0) 63.0 ppb (78) 0.31 ppb (4) 22.0 μg/m3 (21) 9.0 μg/m3 (38) 78.0
 
Sept. 13, 2021, 4 p.m. 11.3 ppb (11) 1.6 ppb (2) 11.8 ppb (12) 9.0 ppb (9) 10.2 ppb (10) 0.0 ppb (0) 46.0 ppb (43) 0.32 ppb (4) 32.0 μg/m3 (30) 9.0 μg/m3 (38) 43.0
 
Sept. 13, 2021, 3 p.m. 18.7 ppb (18) 4.1 ppb (4) 19.3 ppb (19) 14.0 ppb (14) 15.2 ppb (15) 1.0 ppb (2) 30.0 ppb (28) 0.37 ppb (5) 43.0 μg/m3 (40) 11.0 μg/m3 (46) 46.0
 
Sept. 13, 2021, 2 p.m. 17.9 ppb (17) 4.4 ppb (5) 18.6 ppb (18) 13.0 ppb (13) 14.2 ppb (14) 1.0 ppb (2) 23.0 ppb (22) 0.41 ppb (5) 30.0 μg/m3 (28) 17.0 μg/m3 (62) 62.0
 
Sept. 13, 2021, 1 p.m. 18.5 ppb (18) 5.4 ppb (6) 18.7 ppb (18) 13.0 ppb (13) 13.2 ppb (13) 0.0 ppb (0) 12.0 ppb (12) 0.45 ppb (6) 21.0 μg/m3 (20) 14.0 μg/m3 (55) 55.0
 
Sept. 13, 2021, noon 15.5 ppb (15) 3.5 ppb (4) 15.7 ppb (15) 12.0 ppb (12) 12.1 ppb (12) 0.0 ppb (0) 8.0 ppb (8) 0.41 ppb (5) 23.0 μg/m3 (22) 15.0 μg/m3 (58) 58.0
 
Sept. 13, 2021, 11 a.m. 10.0 ppb (10) 0.7 ppb (1) 10.0 ppb (10) 9.0 ppb (9) 9.3 ppb (9) 0.0 ppb (0) 6.0 ppb (6) 0.41 ppb (5) 18.0 μg/m3 (17) 9.0 μg/m3 (38) 38.0
 
Sept. 13, 2021, 10 a.m. 5.8 ppb (6) 0.0 ppb (0) 5.7 ppb (6) 5.0 ppb (5) 5.7 ppb (6) 0.0 ppb (0) N/A 0.33 ppb (4) 17.0 μg/m3 (16) 10.0 μg/m3 (42) 42.0
 
Sept. 13, 2021, 9 a.m. 4.9 ppb (5) 0.0 ppb (0) 4.5 ppb (5) 4.0 ppb (4) 4.6 ppb (5) 0.0 ppb (0) 16.0 ppb (15) 0.42 ppb (5) 16.0 μg/m3 (15) 8.0 μg/m3 (34) 34.0
 
Sept. 13, 2021, 8 a.m. 5.3 ppb (5) 0.0 ppb (0) 5.1 ppb (5) 5.0 ppb (5) 5.1 ppb (5) 0.0 ppb (0) 14.0 ppb (13) 0.35 ppb (4) 16.0 μg/m3 (15) 9.0 μg/m3 (38) 38.0
 
Sept. 13, 2021, 7 a.m. 5.0 ppb (5) 0.0 ppb (0) 4.8 ppb (5) 5.0 ppb (5) 4.8 ppb (5) 0.0 ppb (0) 13.0 ppb (13) 0.47 ppb (6) 16.0 μg/m3 (15) 11.0 μg/m3 (46) 46.0
 
Sept. 13, 2021, 6 a.m. 4.9 ppb (5) 0.0 ppb (0) 4.7 ppb (5) 4.0 ppb (4) 4.8 ppb (5) 0.0 ppb (0) 21.0 ppb (20) 0.36 ppb (5) 17.0 μg/m3 (16) 9.0 μg/m3 (38) 38.0
 
Sept. 13, 2021, 5 a.m. 4.8 ppb (5) 0.0 ppb (0) 4.7 ppb (5) 4.0 ppb (4) 4.8 ppb (5) 0.0 ppb (0) 23.0 ppb (22) 0.38 ppb (5) 15.0 μg/m3 (14) 9.0 μg/m3 (38) 38.0
 
Sept. 13, 2021, 4 a.m. 5.2 ppb (5) 0.0 ppb (0) 5.1 ppb (5) 5.0 ppb (5) 5.2 ppb (5) 0.0 ppb (0) 23.0 ppb (22) 0.47 ppb (6) 15.0 μg/m3 (14) 8.0 μg/m3 (34) 34.0
 
Sept. 13, 2021, 3 a.m. N/A 0.0 ppb (0) 6.6 ppb (7) N/A 6.7 ppb (7) 0.0 ppb (0) 19.0 ppb (18) 0.54 ppb (6) 17.0 μg/m3 (16) 13.0 μg/m3 (53) 53.0
 
Sept. 13, 2021, 2 a.m. N/A 0.0 ppb (0) 8.7 ppb (9) N/A 8.8 ppb (9) 0.0 ppb (0) 19.0 ppb (18) 0.38 ppb (5) 12.0 μg/m3 (12) 10.0 μg/m3 (42) 42.0
 
Sept. 13, 2021, 1 a.m. 7.4 ppb (7) 0.0 ppb (0) 8.2 ppb (8) 7.0 ppb (7) 8.2 ppb (8) 0.0 ppb (0) 24.0 ppb (23) 0.36 ppb (5) 9.0 μg/m3 (9) 9.0 μg/m3 (38) 38.0
 
Sept. 13, 2021, midnight 5.2 ppb (5) 0.0 ppb (0) 6.2 ppb (6) 5.0 ppb (5) 6.3 ppb (6) 0.0 ppb (0) 30.0 ppb (28) 0.38 ppb (5) 15.0 μg/m3 (14) 7.0 μg/m3 (30) 30.0
 
Sept. 12, 2021, 11 p.m. 2.8 ppb (3) 0.0 ppb (0) 3.0 ppb (3) 3.0 ppb (3) 3.1 ppb (3) 0.0 ppb (0) 39.0 ppb (37) 0.24 ppb (3) 16.0 μg/m3 (15) 9.0 μg/m3 (38) 38.0
 
Sept. 12, 2021, 10 p.m. 1.8 ppb (2) 0.0 ppb (0) 2.0 ppb (2) 2.0 ppb (2) 2.1 ppb (2) 0.0 ppb (0) 45.0 ppb (42) 0.22 ppb (3) 9.0 μg/m3 (9) 7.0 μg/m3 (30) 42.0
 
Sept. 12, 2021, 9 p.m. 1.6 ppb (2) 0.0 ppb (0) 1.9 ppb (2) 1.0 ppb (1) 1.9 ppb (2) 0.0 ppb (0) 49.0 ppb (46) 0.21 ppb (3) 13.0 μg/m3 (13) 8.0 μg/m3 (34) 46.0
 
Sept. 12, 2021, 8 p.m. 1.6 ppb (2) 0.0 ppb (0) 1.9 ppb (2) 1.0 ppb (1) 1.9 ppb (2) 0.0 ppb (0) 50.0 ppb (47) 0.21 ppb (3) 17.0 μg/m3 (16) 7.0 μg/m3 (30) 47.0
 
Sept. 12, 2021, 7 p.m. 1.8 ppb (2) 0.0 ppb (0) 2.3 ppb (3) 2.0 ppb (2) 2.2 ppb (3) 0.0 ppb (0) 51.0 ppb (48) 0.25 ppb (3) 17.0 μg/m3 (16) 6.0 μg/m3 (25) 48.0
 
Sept. 12, 2021, 6 p.m. 1.8 ppb (2) 0.0 ppb (0) 2.2 ppb (3) 2.0 ppb (2) 2.2 ppb (3) 0.0 ppb (0) 50.0 ppb (47) 0.22 ppb (3) 16.0 μg/m3 (15) 6.0 μg/m3 (25) 47.0
 
Sept. 12, 2021, 5 p.m. 2.4 ppb (3) 0.0 ppb (0) 2.9 ppb (3) 2.0 ppb (2) 2.8 ppb (3) 0.0 ppb (0) 51.0 ppb (48) 0.23 ppb (3) 16.0 μg/m3 (15) 6.0 μg/m3 (25) 48.0
 
Sept. 12, 2021, 4 p.m. 2.2 ppb (3) 0.1 ppb (1) 2.8 ppb (3) 2.0 ppb (2) 2.7 ppb (3) 0.0 ppb (0) 47.0 ppb (44) 0.22 ppb (3) 17.0 μg/m3 (16) 6.0 μg/m3 (25) 44.0
 
Sept. 12, 2021, 3 p.m. 2.5 ppb (3) 0.1 ppb (1) 2.8 ppb (3) 2.0 ppb (2) 2.7 ppb (3) 0.0 ppb (0) 45.0 ppb (42) 0.23 ppb (3) 17.0 μg/m3 (16) 10.0 μg/m3 (42) 42.0
 
Sept. 12, 2021, 2 p.m. 3.4 ppb (4) 0.3 ppb (1) 3.8 ppb (4) 3.0 ppb (3) 3.5 ppb (4) 0.0 ppb (0) 40.0 ppb (38) 0.24 ppb (3) 14.0 μg/m3 (13) 8.0 μg/m3 (34) 38.0
 
Sept. 12, 2021, 1 p.m. 4.1 ppb (4) 0.4 ppb (1) 4.3 ppb (5) 3.0 ppb (3) 3.8 ppb (4) 0.0 ppb (0) 30.0 ppb (28) 0.26 ppb (4) 17.0 μg/m3 (16) 10.0 μg/m3 (42) 42.0
 
Sept. 12, 2021, noon 4.7 ppb (5) 0.4 ppb (1) 4.7 ppb (5) 4.0 ppb (4) 4.2 ppb (4) 0.0 ppb (0) 21.0 ppb (20) 0.35 ppb (4) 14.0 μg/m3 (13) 11.0 μg/m3 (46) 46.0
 
Sept. 12, 2021, 11 a.m. 5.0 ppb (5) 0.1 ppb (1) 4.9 ppb (5) 4.0 ppb (4) 4.7 ppb (5) 0.0 ppb (0) 12.0 ppb (12) 0.58 ppb (7) 17.0 μg/m3 (16) 16.0 μg/m3 (60) 60.0
 
Sept. 12, 2021, 10 a.m. 4.7 ppb (5) 0.0 ppb (0) 4.7 ppb (5) 4.0 ppb (4) 4.7 ppb (5) 0.0 ppb (0) N/A 0.61 ppb (7) 21.0 μg/m3 (20) 12.0 μg/m3 (50) 50.0
 
Sept. 12, 2021, 9 a.m. 4.7 ppb (5) 0.0 ppb (0) 4.6 ppb (5) 4.0 ppb (4) 4.6 ppb (5) 0.0 ppb (0) 10.0 ppb (10) 0.48 ppb (6) 17.0 μg/m3 (16) 11.0 μg/m3 (46) 46.0
 
Sept. 12, 2021, 8 a.m. 5.6 ppb (6) 0.0 ppb (0) 5.3 ppb (5) 5.0 ppb (5) 5.4 ppb (6) 0.0 ppb (0) 10.0 ppb (10) 0.58 ppb (7) 17.0 μg/m3 (16) 15.0 μg/m3 (58) 58.0
 
Sept. 12, 2021, 7 a.m. 6.3 ppb (6) 0.0 ppb (0) 6.1 ppb (6) 6.0 ppb (6) 6.2 ppb (6) 0.0 ppb (0) 12.0 ppb (12) 0.64 ppb (7) 18.0 μg/m3 (17) 14.0 μg/m3 (55) 55.0
 
Sept. 12, 2021, 6 a.m. 7.8 ppb (8) 0.0 ppb (0) 7.6 ppb (8) 7.0 ppb (7) 7.7 ppb (8) N/A 12.0 ppb (12) 0.55 ppb (7) 20.0 μg/m3 (19) 16.0 μg/m3 (60) 60.0
 
Sept. 12, 2021, 5 a.m. 11.6 ppb (11) 0.0 ppb (0) 10.6 ppb (10) 11.0 ppb (11) 10.7 ppb (11) 1.0 ppb (2) 10.0 ppb (10) 0.57 ppb (7) 17.0 μg/m3 (16) 11.0 μg/m3 (46) 46.0
 
Sept. 12, 2021, 4 a.m. 13.7 ppb (13) 0.0 ppb (0) 14.9 ppb (15) 13.0 ppb (13) 14.9 ppb (15) 0.0 ppb (0) 8.0 ppb (8) 0.63 ppb (7) 19.0 μg/m3 (18) 14.0 μg/m3 (55) 55.0
 
Sept. 12, 2021, 3 a.m. 11.1 ppb (11) 0.2 ppb (1) 12.9 ppb (13) 10.0 ppb (10) 12.7 ppb (12) 0.0 ppb (0) 16.0 ppb (15) N/A 20.0 μg/m3 (19) 13.0 μg/m3 (53) 53.0
 
Sept. 12, 2021, 2 a.m. 20.8 ppb (20) 1.2 ppb (2) 15.8 ppb (15) 19.0 ppb (18) 14.5 ppb (14) 0.0 ppb (0) 14.0 ppb (13) 0.57 ppb (7) 24.0 μg/m3 (23) 16.0 μg/m3 (60) 60.0
 
Sept. 12, 2021, 1 a.m. 14.6 ppb (14) N/A N/A 14.0 ppb (14) N/A 0.0 ppb (0) 22.0 ppb (21) 0.55 ppb (7) 29.0 μg/m3 (27) 19.0 μg/m3 (66) 66.0
 
Sept. 12, 2021, midnight 10.8 ppb (11) 0.0 ppb (0) 11.6 ppb (11) 10.0 ppb (10) 11.7 ppb (12) 1.0 ppb (2) 31.0 ppb (29) 0.53 ppb (6) 23.0 μg/m3 (22) 15.0 μg/m3 (58) 58.0
 
Sept. 11, 2021, 11 p.m. 6.2 ppb (6) 0.0 ppb (0) 6.5 ppb (7) 6.0 ppb (6) 6.6 ppb (7) 0.0 ppb (0) 41.0 ppb (38) 0.38 ppb (5) 17.0 μg/m3 (16) 13.0 μg/m3 (53) 53.0
 
Sept. 11, 2021, 10 p.m. 2.7 ppb (3) 0.0 ppb (0) 3.0 ppb (3) 3.0 ppb (3) 3.0 ppb (3) 0.0 ppb (0) 49.0 ppb (46) 0.24 ppb (3) 10.0 μg/m3 (10) 8.0 μg/m3 (34) 46.0
 
Sept. 11, 2021, 9 p.m. 2.5 ppb (3) 0.0 ppb (0) 2.9 ppb (3) 2.0 ppb (2) 2.8 ppb (3) 0.0 ppb (0) 54.0 ppb (50) 0.22 ppb (3) 12.0 μg/m3 (12) 6.0 μg/m3 (25) 50.0
 
Sept. 11, 2021, 8 p.m. 3.5 ppb (4) 0.1 ppb (1) 3.6 ppb (4) 3.0 ppb (3) 3.4 ppb (4) 0.0 ppb (0) 53.0 ppb (50) 0.49 ppb (6) 20.0 μg/m3 (19) 7.0 μg/m3 (30) 50.0
 
Sept. 11, 2021, 7 p.m. 2.2 ppb (3) 0.0 ppb (0) 2.7 ppb (3) 2.0 ppb (2) 2.6 ppb (3) 0.0 ppb (0) 56.0 ppb (55) 0.26 ppb (4) 15.0 μg/m3 (14) 6.0 μg/m3 (25) 55.0
 
Sept. 11, 2021, 6 p.m. 2.1 ppb (2) 0.0 ppb (0) 2.4 ppb (3) 2.0 ppb (2) 2.4 ppb (3) 0.0 ppb (0) 56.0 ppb (55) 0.21 ppb (3) 18.0 μg/m3 (17) 7.0 μg/m3 (30) 55.0